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Martin Tejeda

Fractional Product Designer

About

I’m a product designer who operates like a fractional design lead, embedding with teams to drive research, product direction, and UX strategy. I specialize in turning ambiguity into structure, building scalable systems, and helping organizations translate customer insight into product decisions. Alongside client work, I’m building AI-first tools to modernize how teams synthesize and use research.

Experience

Founder

Peridot

·

2026-PRESENT

Building the next generation of AI-powered research tools designed to replace manual synthesis and make insights instantly accessible.

https://www.askperidot.com/

Fractional Product Designer

Mawrs

·

2023-PRESENT

Led research, design, and development in an embedded capacity for MDSV Capital, True-See, and SouthEast Bank.

Product Designer

Underbelly

·

2021-2023

Led product design and strategy for venture-backed startups and enterprise clients including Facebook, Square, Slide, and Vivint.

AI Design process

Research Synthesis

After a round of user interviews, the team usually has to wait a few days for someone to go through recordings, pull quotes and write up findings. Rather than waiting, I upload interview files into Peridot and get structured insights, tagged quotes and highlight reels back in seconds. Instead of scheduling a readout meeting and hoping people read the doc, I send stakeholders shareable highlight reels with the raw data behind them. Product managers can explore the insights themselves. Engineers can hear users describe the problem in their own words.

Design Exploration

A cardinal sin teams commit after getting research results back is committing to one direction too quickly. I use Figma Make to leverage our existing designs and the latest research results to generate dozens of variations in minutes. Then I stress-test each one against the research insights the team already aligned on. When I bring options to a design review, I'm showing polished, opinionated design directions that are grounded in research and design principles. Reviews become much more effective.

Rapid Prototyping

Clickable prototpes in Figma don't cut it anymore. They provide surface-level feedback at best. I push finalized Figma designs directly into my codebase through Figma's MCP server, wire them up in Cursor and deploy a live prototype on Vercel. This process takes about 20 minutes on average, depending on the amount of screens that need to be brought into Cursor. As a result, users interact with real inputs, real flows and real data. The feedback is specific and actionable because participants aren't pretending to use the product. They're actually using it. Minor "papercut" issues that would have surfaced three weeks into development show up before a single engineering ticket gets written.

Development & Handoff

Clickable prototpes in Figma don't cut it anymore. They provide surface-level feedback at best. I push finalized Figma designs directly into my codebase through Figma's MCP server, wire them up in Cursor and deploy a live prototype on Vercel. This process takes about 20 minutes on average, depending on the amount of screens that need to be brought into Cursor. As a result, users interact with real inputs, real flows and real data. The feedback is specific and actionable because participants aren't pretending to use the product. They're actually using it. Minor "papercut" issues that would have surfaced three weeks into development show up before a single engineering ticket gets written.